Am 31.08.2011 02:18, schrieb Alex Shinn:
> R7RS is a revision of both R5RS and R6RS (we've taken text
> directly from both).  To say it is closer to one or the other is
> irrelevant - it is the seventh revision of the Scheme reports,
> and to call it otherwise is confusing.

Arguably, R7RS is not a revision of R6RS (or R5RS, for that matter) in
the sense of "one document created by augmenting and/or editing
another", but more of an reorganization in that the original single
report is now split into *two* reports. This introduces a whole new
notion of conformance levels and what consitutes a Scheme implementation
- which, I'd say, is a deep structural change. Calling this a "revision"
is, in my opinion, a stretch.

Regards,
Denis

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